Weight To Volume Converter. This conversion tool has been designed to help convert between weight and volume. However, before you continue, you should be aware that this type of conversion is not as easy as it sounds. As explained in the article how to convert from volume to weight, to convert between weight and volume accurately, you need to know the density of the substance that you are trying to convert.
Pumice is a light-colored vesicular igneous rock. It forms through very rapid solidification of a melt. The vesicular texture is a result of gas trapped in the melt at the time of solidification. The specimen shown above is about two inches (five centimeters) across.
Pumice. A textural term for a volcanic rock that is a solidified frothy lava typically created when super-heated, highly pressurized rock is violently ejected from a volcano. It can be formed when lava and water are mixed. Unusual.